Consider the following statements:<br/>1. The Barren Island volcano is an active volcano located in the Indian territory.<br/>2. Barren Island lies about 140 km east of Great Nicobar.<br/>3. The last time the Barren Island volcano erupted was in 1991 and it has remained inactive since then.<br/><br/>Which of the statements given above is/are correct?

1. Correct. Barren Island, in the Andaman Sea, is the only active volcano in India and lies in Indian territory (Andaman & Nicobar Islands).
2. Incorrect. Barren Island is located about 135–140 km northeast of Port Blair / east of Middle Andaman, not east of Great Nicobar.
3. Incorrect. Although it erupted in 1991, it has not remained inactive since then; there have been later eruptions/activity, including in the 1990s, 2000s and after.

Therefore, only statement 1 is correct.